<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script src="https://unpkg.com/vue@next"></script>
<div id="wrap"></div>
<script>
    const vueApp = {
        data: function () {
            return {

            }
        }
    }

    const app = Vue.createApp(vueApp);

    app.component('todo-item', {
        template: `<li>This is a todo</li>`
    });

    app.mount('#wrap');

</script>
</body>
</html>
